<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共{{ page.total }}条记录</span>
        <template #after>
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import')"
          >导入</el-button>
          <el-button
            size="small"
            type="danger"
            @click="exportData"
          >导出</el-button>
          <el-button
            size="small"
            type="primary"
            :disabled="!checkPermission('POINT-USER-ADD')"
            @click="showDialog=true"
          >新增员工</el-button>
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card>
        <el-table
          v-loading="loading"
          :data="list"
          border
        >
          <el-table-column
            label="序号"
            sortable=""
            type="index"
          />
          <el-table-column
            label="姓名"
            sortable=""
            prop="username"
          />
          <el-table-column
            label="头像"
            align="center"
          >
            <template slot-scope="{row}">
              <img
                slot="reference"
                v-imagerror="require('@/assets/common/head.jpg')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
                @click="showQrCode(row.staffPhoto)"
              >
            </template>
          </el-table-column>
          <el-table-column
            label="
            工号"
            sortable=""
            prop="workNumber"
          />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column
            label="部门"
            sortable=""
            prop="departmentName"
          />
          <!-- 作用域插槽加过滤器 -->
          <el-table-column
            label="入职时间"
            sortable=""
            prop="timeOfEntry"
          >
            <template
              v-slot="{row}">{{ row.timeOfEntry |formatDate }}</template>
          </el-table-column>
          <el-table-column
            label="账户状态"
            sortable=""
            prop="enableState"
          >
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>

          <el-table-column
            label="操作"
            sortable=""
            fixed="right"
            width="280"
          >
            <template v-slot="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
              >查看</el-button>
              <el-button
                type="text"
                size="small"
              >转正</el-button>
              <el-button
                type="text"
                size="small"
              >调岗</el-button>
              <el-button
                type="text"
                size="small"
              >离职</el-button>
              <el-button
                type="text"
                size="small"
                @click="editRole(row.id)"
              >角色</el-button>
              <el-button
                type="text"
                size="small"
                @click="delEmployee(row.id)"
              >删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 放置组件弹层 -->
    <!-- 使用了.sync修饰符 -->
    <AddEmployee
      :show-dialog.sync="showDialog"
      :list="list"
    />
    <el-dialog
      title="二维码"
      :visible.sync="shouCpdeDialog"
    >
      <el-row
        type="flex"
        justify="center"
      >
        <canvas ref="Mycanvas" />
      </el-row>
    </el-dialog>
    <!-- 放置分配组件 -->
    <AssignRole
      ref="assignRole"
      :show-role-dialog.sync="showRoleDialog"
      :user-id="userId"
    />
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees' // 引入员工枚举对象
import AddEmployee from './componetns/add-employee'
import { formatDate } from '@/filters' // 格式化日期
import QrCode from 'qrcode'
import AssignRole from './componetns/assign-role.vue'
export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data () {
    return {
      list: [], // 接受数组
      page: {
        page: 1,
        size: 10,
        total: 0 // 总数
      },
      loading: false, // 显示遮罩层
      showDialog: false, // 默认是关闭的弹出层
      shouCpdeDialog: false, // 显示弹层
      showRoleDialog: false, // 显示分配弹层
      userId: null // 定义一个userId
    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    async getEmployeeList () {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    changePage (newpage) {
      // 最新页码
      this.page.page = newpage // 赋值最新页码
      this.getEmployeeList() // 重新拉取数据
    },
    formatEmployment (row, column, cellValue, index) {
      // 要去找 1所对应的值
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
      return obj ? obj.value : '未知'
    },
    async delEmployee (id) {
      try {
        await this.$confirm('确定删除该员工吗')
        // 点击确定  进入下方
        await delEmployee(id)
        if (this.list.length % 10 === 0) {
          // this.page = this.page.page - 1
          this.getEmployeeList()
        } else {
          console.log(this.page.page)
          this.getEmployeeList()
        }
        // this.getEmployeeList() // 重新拉取数据
        this.$forceupdate()
        // this.changePage()
        this.$message.success('删除员工成功')
      } catch (error) {
        this
      }
    },
    exportData () {
      const headers = {
        '姓名': 'username',
        '手机号': 'mobile',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total
        })
        const data = this.formatJson(headers, rows)
        const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
        const merges = ['A1:A2', 'B1:F1', 'G1:G2']
        // 引入文件的导出对象
        excel.export_json_to_excel({
          header: Object.keys(headers), // 表头 必填
          data, // 具体数据 必填
          filename: '员工资料表',
          multiHeader, // 复杂表头
          merges // 合并选项
        })
      })
    },
    // 将表头数据和数据相对应
    formatJson (headers, rows) {
      // 首先遍历数组
      // [{ username: '张三'},{},{}]  => [[’张三'],[],[]]
      return rows.map(item => {
        // ['姓名','手机号',...]
        return Object.keys(headers).map(key => {
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            // 格式化日期
            return formatDate(item[headers[key]])
          } else if (headers[key] === 'formOfEmployment') {
            // 转化聘用形式
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
    },
    // 生成图片二维码
    showQrCode (url) {
      // url存在  显示弹出层
      if (url) {
        this.shouCpdeDialog = true // 数据更新了 但是是异步更新
        this.$nextTick(() => {
          // 此时已经显示弹窗了
          // 如果第二个参数是地址  就会自己跳到该地址
          QrCode.toCanvas(this.$refs.Mycanvas, url) // 将地址转化为二维码
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },
    async editRole (id) {
      this.userId = id
      await this.$refs.assignRole.getUserDetailById(id)
      // 显示弹出层
      this.showRoleDialog = true
    }
  }
}
</script>

<style>
</style>
